html, body {
  height: 100%;
}



body {
  font-family: 'Helvetica Neue',Helvetica,'PingFang SC','Hiragino Sans GB','Microsoft YaHei',SimSun,sans-serif;
}

* {
  padding: 0;
  margin: 0;
}

#app{
  margin: 10px;
}

.wrapper {
  height: 100%;
}

a {
  text-decoration: none;
}

header {
  width: 100%;
  padding: 0 20px;
  z-index: 1;
  box-sizing: border-box;
}

header::after {
  display: inline-block;
  content: "";
  height: 100%;
  vertical-align: middle
}

.container {
  padding-top: 80px;
}

.menu {
  height: 100%;
}

.content {
  padding: 20px;
}

.header-logo {
  display: inline-block;
  vertical-align: middle;
}

.header-operations {
  display: inline-block;
  float: right;
  padding-right: 30px;
  height: 100%;
  & li {
    color: #fff;
    display: inline-block;
    vertical-align: middle;
    padding: 0 10px;
    margin: 0 10px;
    line-height: 80px;
    cursor: pointer;
    &:last-child {
      cursor: default;
    }
  }
  .header-download {
    opacity: 0.4;
    cursor: default;
    &.is-available {
      opacity: 1;
      cursor: pointer;
    }
  }
  span {
    opacity: 0.7;
  }
  .header-lang {
    cursor: pointer;
    &.is-active {
      opacity: 1;
    }
  }
}

.header-operations::after {
  display: inline-block;
  content: "";
  height: 100%;
  vertical-align: middle
}

.theme-form {
  text-align: center;
}

.query-form {
  margin-top: 20px;
  padding-top: 25px;
  background-color: #f2f2f2;
}

.table {
  margin-top: 30px;
}

.help p {
  margin-bottom: 10px;
  a {
    color: #409eff;
  }
}
